PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/30-05:58:00
G08     262.1          15.3                4.9 +/-    2.40      12.1 +/-    2.40  0.040 / 0.050
G10     72.7           55.5                2.8 +/-    0.68       3.3 +/-    0.68  0.040 / 0.050
G11     307.0          20.7                3.6 +/-    2.41       7.8 +/-    2.41  0.150 / 0.300
G14     277.4          67.0                3.3 +/-    0.66       3.6 +/-    0.66  0.160 / 0.330
G18     308.5          36.7                3.6 +/-    1.56       5.6 +/-    1.56  0.160 / 0.320
G20     99.3           36.9                3.4 +/-    1.22       5.3 +/-    1.22  0.170 / 0.320
G27     227.1          11.5                5.5 +/-    1.66      14.9 +/-    1.66  0.060 / 0.080
G31     175.1          39.1                4.0 +/-    1.17       5.9 +/-    1.17  0.090 / 0.100
G32     3.1            69.5                2.8 +/-    0.44       2.9 +/-    0.44  0.020 / 0.020